Find out how simple machines impact your daily life on this Science Trek: The Web Show. In this Science Trek: The Web Show, Host Joan Cartan-Hansen and her guest scientists John Gardner, Boise State ...

Learn more about how simple machines help make your work easier. A simple machine has few or no moving parts, but it can be used to create wonders. Learn more about how simple machines help make your ...

CHESTERTON | Don't strain your back or pull a muscle. Use a simple machine like a pulley, screw or lever to make work easier. That's the lesson St. Patrick School seventh-graders are learning in ...